Question

The figure below shows a trapezoid, ABCD, having side AB parallel to side DC. The diagonals AC and BD intersect at point O.

If the length of AO is three times the length of CO, the length of DC is

Answer 1

wow

Answer 2

?

Answer 3

im unsure of the laws of a trapezoid :|

Answer 4

I can't solve using the known facts. Wish you luck!

Answer 5

thx any way

Answer 6

are there any other given facts?

Answer 7

thats all i have

AO is 3 times longer than OC, what is the length of DC

Answer 8

Im not asking for an answer, I'm just asking for help (might as well learn it right)



three times the length of OC
three times the length of DO
one-third of the length of AC
one-third of the length of AB

Answer 9

one third of the length of AB